21398274

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{69929}}^1$

素因数の和:69954

約数の個数: 24

約数和(自身を含む): 49090860

約数和(自身を除く): 27692586

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 69929, 139858, 209787, 419574, 629361, 1188793, 1258722, 2377586, 3566379, 7132758, 10699137, 21398274]

約数ペア:

[(1, 21398274), (2, 10699137), (3, 7132758), (6, 3566379), (9, 2377586), (17, 1258722), (18, 1188793), (34, 629361), (51, 419574), (102, 209787), (153, 139858), (306, 69929)]